The engine starts but stops again
Product part to examine Possible cause Action
Fuel tank Incorrect fuel type. Drain the fuel tank and fill with cor-
rect fuel.
Carburetor The idle speed is not correct. Speak to your servicing dealer.
Air filter Clogged air filter. Clean or replace the air filter.
Fuel filter Clogged fuel filter. Replace the fuel filter.
Transportation and storage
Transportation and storage
• For storage and transportation of the product and
fuel, make sure that there are no leaks or fumes.
Sparks or open flames, for example from electrical
devices or boilers, can start a fire.
• Always use approved containers for storage and
transportation of fuel.
• Empty the fuel and chain oil tanks before
transportation or before long-term storage. Discard
the fuel and chain oil at an applicable disposal
location.
• Use the transportation guard on the product to
prevent injuries or damage to the product. A saw
chain that does not move can also cause serious
injuries.
• Remove the spark plug cap from the spark plug and
engage the chain brake.
• Attach the product safely during transportation.
To prepare your product for long-term
storage
1. Disassemble and clean the saw chain and the
groove in the guide bar.
CAUTION: If the saw chain and guide
bar are not cleaned, they can become
rigid or blocked.
2. Attach the transportation guard.
3. Clean the product. Refer to
Maintenance on page 30
for instructions.
4. Do a complete servicing of the product.
Technical data
Technical data
445 II 445e II 450 II 450e II
Engine
Cylinder displace-
ment, cm
3
45.7 45.7 50.2 50.2
Idle speed, rpm 2500-2700 2500-2700 2500-2700 2500-2700
Maximum engine
power acc. to ISO
8893, kW/hp@rpm
2.1/2.8@9000 2.1/2.8@9000 2.4/3.2@9000 2.4/3.2@9000
Ignition system
Spark plug NGK BPMR 7A/
Champion RCJ 7Y/
Husqvarna HQT-1
NGK BPMR 7A/
Champion RCJ 7Y/
Husqvarna HQT-1
NGK BPMR 7A/
Champion RCJ 7Y/
Husqvarna HQT-1
NGK BPMR 7A/
Champion RCJ 7Y/
Husqvarna HQT-1
1286 - 002 - 03.06.2020 37
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